Azurite Marble highlights the deep blues and variegated bands of the lustrous azurite stone. Features a high-gloss finish. S'well bottles feature Therma-S’well(R) Technology with triple-layered, vacuum-insulated construction designed to keep beverages colder or hotter, longer than all the rest. BPA Free and reusable. Stainless steel. 17 oz. Hand-wash only.